Question

Some people who bought X- game gaming systems complained about having received defective systems. The industry standard for such systems has been ninety eight percent non defective systems. in a sample of 240 units sold, 12 units were defective.

a. state the hypotheses to test if the standard of percentage defective is greater than 0.02

b. compute the standard error of p

c. at 93% confidence using the critical value approach, test to see if the percentage of defective systems produced by X Game has exceeded the industry standard

d. Show that the p value approach results in the same conclusion as that of part b

Answer 1